CN104836440A - Step type high-voltage power supply device - Google Patents
Step type high-voltage power supply device Download PDFInfo
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- CN104836440A CN104836440A CN201510233103.7A CN201510233103A CN104836440A CN 104836440 A CN104836440 A CN 104836440A CN 201510233103 A CN201510233103 A CN 201510233103A CN 104836440 A CN104836440 A CN 104836440A
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Abstract
The invention discloses a step type high-voltage power supply device which comprises a control circuit, a first output circuit and a second output circuit. Through the manner, the step type high-voltage power supply device has advantages of novel structure, stable performance, multi-stage high-voltage power supply, selective output high-voltage, random matching of a power output unit, etc. The step type high-voltage power supply device has wide market prospect in popularization of the step type high-voltage power supply device.
Description
Technical field
The present invention relates to electronics field, particularly relate to a kind of staged high-voltage power apparatus.
Background technology
Supply unit is one of basic product of electronics field, the voltage output that the many employings of existing supply unit are single, and applicability is wide, unstable properties.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of staged high-voltage power apparatus, by adopting the auto-oscillating half-bridge switch chip, some metal-oxide-semiconductors, high-tension transformer and the voltage-multiplying circuit that are electrically connected successively as the second output circuit, by output voltage boosting to meet load request, formation multilevel voltage exports, novel structure, stable performance, have market prospects widely popularizing of staged high-voltage power apparatus.
For solving the problems of the technologies described above, the invention provides a kind of staged high-voltage power apparatus, comprising: control circuit, the first output circuit and the second output circuit,
Described control circuit comprises the EIM filter circuit, high-frequency PWM chip, switch transformer and the current rectifying and wave filtering circuit that are electrically connected successively, AC power inputs described control circuit and converts high-voltage dc voltage to through the rectification of described EIM filter circuit, pulse signal is modulated to by described high-frequency PWM chip, direct current is added to the elementary of described switch transformer, the secondary induction output high voltage of described switch transformer, the first output voltage supply load is formed via described current rectifying and wave filtering circuit
The output of described control circuit be electrically connected described first output circuit and the output of the described first output circuit input that is electrically connected described high-frequency PWM chip with control described high-frequency PWM chip duty ratio, control the first output voltage,
Described second output circuit is electrically connected the output of described control circuit, described second output circuit comprises the auto-oscillating half-bridge switch chip be electrically connected successively, some metal-oxide-semiconductors, high-tension transformer and voltage-multiplying circuit, first output voltage is via some metal-oxide-semiconductor work described in the rear drive of described auto-oscillating half-bridge switch chip, and then drive described high-tension transformer concussion work, the secondary output high pressure of described high-tension transformer, carry out boosting formation second output voltage through described voltage-multiplying circuit again, reach load request.
In a preferred embodiment of the present invention, comprise current foldback circuit, when electric current exceedes the design load of circuit, described current foldback circuit is cut off the electricity supply and is protected, and automatically recovers after load faulty is got rid of.
In a preferred embodiment of the present invention, the maximum output voltage scope of described first output voltage and described second output voltage is 8-12kV, and minimum output voltage scope is 4-6kV.
The invention has the beneficial effects as follows: staged high-voltage power apparatus of the present invention has novel structure, stable performance, multistage pressure output, exports the advantages such as high pressure can be selected arbitrarily, power stage unit can be matched arbitrarily, has market prospects widely popularizing of staged high-voltage power apparatus.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of staged high-voltage power apparatus one of the present invention preferred embodiment;
Fig. 2 is the circuit diagram of staged high-voltage power apparatus one of the present invention preferred embodiment.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 2, the embodiment of the present invention comprises:
A kind of staged high-voltage power apparatus, comprising: control circuit, the first output circuit and the second output circuit.
Described control circuit comprises the EIM filter circuit 101, high-frequency PWM chip 102, switch transformer 103 and the current rectifying and wave filtering circuit 104 that are electrically connected successively, AC power inputs described control circuit and converts high-voltage dc voltage to through the rectification of described EIM filter circuit 101, pulse signal is modulated to by described high-frequency PWM chip 102, direct current is added to the elementary of described switch transformer 103, the secondary induction output high voltage of described switch transformer 103, the first output voltage supply load is formed via described current rectifying and wave filtering circuit 104
The output of described control circuit be electrically connected described first output circuit 2 and the output of described first output circuit 2 input that is electrically connected described high-frequency PWM chip 102 with control described high-frequency PWM chip 102 duty ratio, control the first output voltage,
Described second output circuit is electrically connected the output of described control circuit, described second output circuit comprises the auto-oscillating half-bridge switch chip 301 be electrically connected successively, some metal-oxide-semiconductors 302, high-tension transformer 303 and voltage-multiplying circuit 304, here high-tension transformer 303 adopts special high-tension transformer, first output voltage works via some metal-oxide-semiconductors 302 described in the rear drive of described auto-oscillating half-bridge switch chip 301, and then drive described high-tension transformer 303 to shake work, the secondary output high pressure of described high-tension transformer 303, boosting formation second output voltage is carried out again through described voltage-multiplying circuit 304, reach load request, multistage pressure exports, export high pressure can select arbitrarily, power stage unit can be matched arbitrarily.
Preferably, comprise current foldback circuit, when electric current exceedes the design load of circuit, described current foldback circuit is cut off the electricity supply and is protected, automatically recovery after load faulty is got rid of, protective circuit, safe and reliable.
Preferably, the maximum output voltage scope of described first output voltage and described second output voltage is 8-12kV, and minimum output voltage scope is 4-6kV.
The beneficial effect of staged high-voltage power apparatus of the present invention is:
One, the duty ratio by adopting feedback circuit to control high-frequency PWM chip, thus achieve the effective control to the first output voltage;
Two, by adopting the auto-oscillating half-bridge switch chip, some metal-oxide-semiconductors, high-tension transformer and the voltage-multiplying circuit that are electrically connected successively as the second output circuit, by output voltage boosting to meet load request, formation multilevel voltage exports, novel structure, stable performance;
Three, by adopting current foldback circuit, cutting off the electricity supply when electric current exceedes the design load of circuit and protecting, automatically recovery after load faulty is got rid of, protective circuit, safe and reliable.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a staged high-voltage power apparatus, is characterized in that, comprising: control circuit, the first output circuit and the second output circuit,
Described control circuit comprises the EIM filter circuit, high-frequency PWM chip, switch transformer and the current rectifying and wave filtering circuit that are electrically connected successively, AC power inputs described control circuit and converts high-voltage dc voltage to through the rectification of described EIM filter circuit, pulse signal is modulated to by described high-frequency PWM chip, direct current is added to the elementary of described switch transformer, the secondary induction output high voltage of described switch transformer, the first output voltage supply load is formed via described current rectifying and wave filtering circuit
The output of described control circuit be electrically connected described first output circuit and the output of the described first output circuit input that is electrically connected described high-frequency PWM chip with control described high-frequency PWM chip duty ratio, control the first output voltage,
Described second output circuit is electrically connected the output of described control circuit, described second output circuit comprises the auto-oscillating half-bridge switch chip be electrically connected successively, some metal-oxide-semiconductors, high-tension transformer and voltage-multiplying circuit, first output voltage is via some metal-oxide-semiconductor work described in the rear drive of described auto-oscillating half-bridge switch chip, and then drive described high-tension transformer concussion work, the secondary output high pressure of described high-tension transformer, carry out boosting formation second output voltage through described voltage-multiplying circuit again, reach load request.
2. staged high-voltage power apparatus according to claim 1, is characterized in that, comprise current foldback circuit, and when electric current exceedes the design load of circuit, described current foldback circuit is cut off the electricity supply and protected, and automatically recovers after load faulty is got rid of.
3. staged high-voltage power apparatus according to claim 1, is characterized in that, the maximum output voltage scope of described first output voltage and described second output voltage is 8-12kV, and minimum output voltage scope is 4-6kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233103.7A CN104836440A (en) | 2015-05-11 | 2015-05-11 | Step type high-voltage power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233103.7A CN104836440A (en) | 2015-05-11 | 2015-05-11 | Step type high-voltage power supply device |
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| CN104836440A true CN104836440A (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510233103.7A Pending CN104836440A (en) | 2015-05-11 | 2015-05-11 | Step type high-voltage power supply device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196326A (en) * | 2016-08-30 | 2016-12-07 | 常熟市东神电子器件有限公司 | A kind of Double-region electrostatic air cleaner |
| CN106253678A (en) * | 2016-08-26 | 2016-12-21 | 宁波三星医疗电气股份有限公司 | A kind of wide dynamic range switching power circuit of Multiple isolated outputs |
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| CN201262622Y (en) * | 2008-09-17 | 2009-06-24 | 丹东华日理学电气有限公司 | Mobile high-frequency X ray fault detector |
| CN102064704A (en) * | 2010-12-27 | 2011-05-18 | 东莞市奇立电源有限公司 | Single-path multiple-voltage output power supply control method and device |
| CN103259424A (en) * | 2013-05-28 | 2013-08-21 | 南京化工职业技术学院 | Circuit structure of mosquito killer |
| CN103491697A (en) * | 2013-10-16 | 2014-01-01 | 丹东市无损检测设备有限公司 | High-frequency high-voltage switching power supply device for industrial X-ray flaw detector |
| CN204597778U (en) * | 2015-05-11 | 2015-08-26 | 常熟市东神电子器件有限公司 | A kind of staged high-voltage power apparatus |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201262622Y (en) * | 2008-09-17 | 2009-06-24 | 丹东华日理学电气有限公司 | Mobile high-frequency X ray fault detector |
| CN102064704A (en) * | 2010-12-27 | 2011-05-18 | 东莞市奇立电源有限公司 | Single-path multiple-voltage output power supply control method and device |
| CN103259424A (en) * | 2013-05-28 | 2013-08-21 | 南京化工职业技术学院 | Circuit structure of mosquito killer |
| CN103491697A (en) * | 2013-10-16 | 2014-01-01 | 丹东市无损检测设备有限公司 | High-frequency high-voltage switching power supply device for industrial X-ray flaw detector |
| CN204597778U (en) * | 2015-05-11 | 2015-08-26 | 常熟市东神电子器件有限公司 | A kind of staged high-voltage power apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253678A (en) * | 2016-08-26 | 2016-12-21 | 宁波三星医疗电气股份有限公司 | A kind of wide dynamic range switching power circuit of Multiple isolated outputs |
| CN106196326A (en) * | 2016-08-30 | 2016-12-07 | 常熟市东神电子器件有限公司 | A kind of Double-region electrostatic air cleaner |
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Application publication date: 20150812 |